salil byju

• Administer Windows Server 2016/2019/2022 environments including Active Directory, Group Policy, DNS,
and DHCP for enterprise infrastructure.
• Configure and manage Microsoft 365 tenant including user accounts, email, SharePoint, and Teams.
• Install and maintain Fortinet FortiGate firewalls and MikroTik routers ensuring network security and traffic
management.
• Deploy and support Cisco switches for LAN infrastructure, connectivity, and segmentation.
• Manage Synology NAS for centralized file storage, backup scheduling, and restore operations.
• Administer Sophos Central for endpoint protection, device management, and threat response.
• Configure and troubleshoot VPN (IPsec, SSL, L2TP) for secure remote access.
• Configure email security filters and mail protection rules to reduce spam and enforce policies.
• Install and upgrade Windows 10/11 workstations ensuring security compliance and performance.
• Support IP PBX systems, SIP configuration, and IP telephony for internal communications.
• Monitor servers, network performance, and system logs daily; identify trends and resolve incidents
proactively.
• Coordinate with vendors and users for hardware/software issue resolution in alignment with SLAs.

• Installed, configured, and maintained Windows Server 2008/2012/2016/2019 for application hosting and
core infrastructure.
• Configured and maintained various firewall devices, routers, and Cisco switches for network security and
connectivity.
• Installed and configured Oracle Database Server for application hosting and reporting support.
• Managed Microsoft Terminal Services including installation, upgrades, and troubleshooting.
• Configured and troubleshot Microsoft Outlook and mail accounts for end users.
• Installed, configured, and supported IP PBX and analog telephony systems.
• Configured and troubleshot VPN connections for secure remote access.
• Installed and configured CCTV and IP camera security systems.
• Diagnosed and resolved Windows application and network issues to minimize downtime.
• Managed LAN/WAN network troubleshooting and escalated issues appropriately.
• Maintained user accounts, permissions, and access control in Active Directory.
• Monitored and analyzed network logs and incoming incidents to identify patterns and recurring issues.

• Provided installation, configuration, and troubleshooting support for Windows Server environments and
related applications.
• Administered LAN/WAN networks including routing, switching, firewall, and VPN configuration.
• Supported network servers including file servers, VPN gateways, and intrusion detection systems.
• Managed user accounts, password resets, and access permissions via Active Directory.
• Applied security patches, updates, and antivirus definitions across servers and endpoints.
• Configured and maintained backup systems, verification routines, and restore operations.
• Coordinated with senior engineering teams and on-site contacts for technical issue resolution.
• Implemented and supported network environments both on-site and remotely.
• Performed scheduled network tasks including server monitoring and internet/intranet user support.

• Managed day-to-day operation of computer networks including hardware and software support.
• Participated in planning, design, and implementation of LAN/WAN data connectivity.
• Led system installation, backup, maintenance, and problem-solving activities.
• Configured server core networking, security settings, AD Domain Services, and file/print services.
• Added and removed server roles and features; configured network infrastructure roles on Server Core.
• Performed scheduled network tasks, updated antivirus definitions, and monitored network servers.
• Provided internet/intranet user support and assisted with remote connectivity hardware/software issues.